Han, Kap Su
Kim, Su Jin
Lee, Eui Jung
Shin, Joong Ho
Lee, Ji Sung
Lee, Sung Woo http://orcid.org/0000-0003-4492-0258
Funding for this research was provided by:
Korea university (K1925141)
Article History
Received: 9 September 2020
Accepted: 24 November 2020
First Online: 18 January 2021
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Korea University Hospital (#IRB No. 2020AN0195). This was a retrospective study based on the de-identified administrative database; therefore, informed consent was waived.
: Not applicable.
: The authors declare no competing interests. Neither the entire paper nor any part of its contents have been published or accepted by another journal. The paper has not been submitted in its entirety, or in part, to any other journal.